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/* insns.h header file for insns.c
*
* The Netwide Assembler is copyright (C) 1996 Simon Tatham and
* Julian Hall. All rights reserved. The software is
* redistributable under the license given in the file "LICENSE"
* distributed in the NASM archive.
*/
#ifndef NASM_INSNS_H
#define NASM_INSNS_H
#include "nasm.h"
#include "tokens.h"
#include "iflag.h"
/* if changed, ITEMPLATE_END should be also changed accordingly */
struct itemplate {
enum opcode opcode; /* the token, passed from "parser.c" */
int operands; /* number of operands */
opflags_t opd[MAX_OPERANDS]; /* bit flags for operand types */
decoflags_t deco[MAX_OPERANDS]; /* bit flags for operand decorators */
const uint8_t *code; /* the code it assembles to */
uint32_t iflag_idx; /* some flags referenced by index */
};
/* Disassembler table structure */
/*
* If n == -1, then p points to another table of 256
* struct disasm_index, otherwise p points to a list of n
* struct itemplates to consider.
*/
struct disasm_index {
const void *p;
int n;
};
/* Tables for the assembler and disassembler, respectively */
extern const struct itemplate * const nasm_instructions[];
extern const struct disasm_index itable[256];
extern const struct disasm_index * const itable_vex[NASM_VEX_CLASSES][32][4];
/* Common table for the byte codes */
extern const uint8_t nasm_bytecodes[];
/*
* this define is used to signify the end of an itemplate
*/
#define ITEMPLATE_END {-1,-1,{-1,-1,-1,-1,-1},{-1,-1,-1,-1,-1},NULL,0}
#endif /* NASM_INSNS_H */
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